(3LGfH ef bUI GdKhQI GddjHjI (B/ s - (3YHOGdcHjQ GdegOiGdTQjas ((3HjQhJ (B: s (3OGQ GdThQi , s, 1997)
Keywords: (3djHjG (B- (3JGQjN (B- (3GdYUQ GdMOjKs; (3djHjG (B- (3eYeQ GdbPGai (B1969s